EP0459843A1 - Brake lining wear indicator - Google Patents

Brake lining wear indicator Download PDF

Info

Publication number
EP0459843A1
EP0459843A1 EP91401014A EP91401014A EP0459843A1 EP 0459843 A1 EP0459843 A1 EP 0459843A1 EP 91401014 A EP91401014 A EP 91401014A EP 91401014 A EP91401014 A EP 91401014A EP 0459843 A1 EP0459843 A1 EP 0459843A1
Authority
EP
European Patent Office
Prior art keywords
loop
indicator according
longitudinal axis
socket
wear indicator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91401014A
Other languages
German (de)
French (fr)
Other versions
EP0459843B1 (en
Inventor
Jean-Claude Bendix Europe Mery
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AlliedSignal Europe Services Techniques
Original Assignee
Bendix Europe Services Techniques SA
AlliedSignal Europe Services Techniques
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bendix Europe Services Techniques SA, AlliedSignal Europe Services Techniques filed Critical Bendix Europe Services Techniques SA
Publication of EP0459843A1 publication Critical patent/EP0459843A1/en
Application granted granted Critical
Publication of EP0459843B1 publication Critical patent/EP0459843B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
    • F16D66/023—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness directly sensing the position of braking members
    • F16D66/024—Sensors mounted on braking members adapted to contact the brake disc or drum, e.g. wire loops severed on contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear

Definitions

  • the present invention relates to wear indicators of the friction linings of a brake, in particular a disc brake, generally used in motor vehicles.
  • wear indicators Many types of such wear indicators are known.
  • the document FR-A-2418387 for example describes a wear indicator essentially constituted by an electrically conductive wire loop arranged in a sheath in the form of a cylindrical insulating sleeve and having a longitudinal axis.
  • the loop is formed by a wire having two substantially rectilinear parts parallel to the axis of the sleeve connected together at one end.
  • Such a witness has the disadvantage of being able to be arranged only so that its longitudinal axis is perpendicular to the wear plane of the friction linings.
  • the witness is extremely inexpensive and can be mass produced.
  • the present invention relates to such a wear indicator.
  • the loop wire is in contact at least once with substantially all of the generatrices of the interior wall of the sleeve.
  • the loop is favorably constituted by a first substantially rectilinear part arranged parallel to the longitudinal axis of the sleeve and by a second part wound in a helix around the first part.
  • a brake shoe generally comprises a friction lining 10 glued or fixed to a support 12.
  • the friction lining 10 is capable of coming into contact with a disc (not shown) by its wall 14 .
  • the indicator has its longitudinal axis 16 parallel to the plane of friction determined by the wall 14.
  • the indicator comprises an insulating sheath 18 closed by an insulating sleeve of cylindrical shape 20 fixed to the support 12 for example by means of a centering stud 22 penetrating into an opening provided for this purpose in the support 12.
  • a loop is formed by an electrically conductive wire.
  • This loop is constituted by a first substantially straight portion 24 disposed substantially parallel to the longitudinal axis 16 of the indicator, and by a second portion 26 in contact at least once with substantially all of the generatrices of the interior wall of the socket.
  • this second part 26 is here wound in a helix around the first part 24.
  • the two ends of the loop are connected, in a conventional manner, either to a two-wire cable, or to a coaxial cable 28 as shown.
  • the wire loop is formed by the core of the cable, the free end of which is connected to the braid of the cable after having formed the loop.
  • the space 30 left free by the loop in the sleeve 20 must be filled with a rigid material.
  • this space 30 can be filled by injection of a thermosetting material, such as an elastomer or an adhesive, at high temperature.
  • a thermosetting material such as an elastomer or an adhesive
  • this space can be filled by means of a prefabricated anvil of shape substantially complementary to the interior part of the socket 20 as shown under the reference 32 Figure 2.
  • This anvil 32 therefore has a substantially cylindrical shape with dimensions substantially corresponding to those of the socket.
  • a groove 34 is formed longitudinally in the anvil 32 to receive the first part 24 of the wire, the second part 26 of which is wound around the anvil. The loop-anvil assembly is then forced into the sleeve 20. A helical groove can also be provided on the anvil 32 to accommodate the second part 26 of the wire.
  • a wear indicator is thus obtained which can be arranged both parallel and perpendicular to the wear plane of the friction lining 10 and having in all cases a uniform response to wear.
  • the aforementioned sleeve can be constituted by a simple mold into which the thermosetting material is injected, the mold then being removed. It does not therefore need to be physically present in the cookie as used.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The invention relates to a wear indicator for the friction linings (10) of a brake, consisting essentially of a conducting wire loop arranged in a sheath (18) closed by a cylindrical insulating sleeve (20) having a longitudinal axis (16). …<??>According to the invention, said loop is in contact at least once with all or practically all the generatrices of the inside wall of said sleeve (20). …<??>The loop preferably consists of a first approximately straight portion (24) arranged parallel to the longitudinal axis (16) and of a second portion (26) wound in a helix about the first portion (24) and connected to the latter. …<IMAGE>…

Description

La présente invention concerne les témoins d'usure des garnitures de friction d'un frein, notamment à disque, généralement mis en oeuvre dans les véhicules automobiles. On connaît de très nombreux types de tels témoins d'usure. Le document FR-A-2418387 par exemple décrit un témoin d'usure constitué essentiellement par une boucle en fil électriquement conducteur disposée dans une gaine en forme de douille isolante cylindrique et présentant un axe longitudinal. La boucle est constituée par un fil présentant deux parties sensiblement rectilignes parallèles à l'axe de la douille reliées ensemble à une extrémité.The present invention relates to wear indicators of the friction linings of a brake, in particular a disc brake, generally used in motor vehicles. Many types of such wear indicators are known. The document FR-A-2418387 for example describes a wear indicator essentially constituted by an electrically conductive wire loop arranged in a sheath in the form of a cylindrical insulating sleeve and having a longitudinal axis. The loop is formed by a wire having two substantially rectilinear parts parallel to the axis of the sleeve connected together at one end.

Un tel témoin présente l'inconvénient de ne pouvoir être disposé que de façon à ce que son axe longitudinal soit perpendiculaire au plan d'usure des garnitures de friction.Such a witness has the disadvantage of being able to be arranged only so that its longitudinal axis is perpendicular to the wear plane of the friction linings.

Or, il est souhaitable de pouvoir disposer le témoin dans tous les sens possibles et notamment avec son axe parallèle au plan d'usure. Dans ce cas, il est aussi nécessaire que la réponse du témoin soit uniforme quel que soit sa position angulaire. Enfin il est souhaitable que le témoin soit extrêmement bon marché et puisse être fabriqué en grande série.However, it is desirable to be able to place the indicator in all possible directions and in particular with its axis parallel to the wear plane. In this case, it is also necessary that the response of the witness is uniform regardless of its angular position. Finally it is desirable that the witness is extremely inexpensive and can be mass produced.

La présente invention a pour objet un tel témoin d'usure.The present invention relates to such a wear indicator.

Selon l'invention, le fil de la boucle est en contact au moins une fois avec sensiblement toutes les génératrices de la paroi intérieure de la douille.According to the invention, the loop wire is in contact at least once with substantially all of the generatrices of the interior wall of the sleeve.

La boucle est favorablement constituée par une première partie sensiblement rectiligne disposée parallèlement à l'axe longitudinal de la douille et par une deuxième partie enroulée en hélice autour de la première partie.The loop is favorably constituted by a first substantially rectilinear part arranged parallel to the longitudinal axis of the sleeve and by a second part wound in a helix around the first part.

L'invention sera mieux comprise et d'autres buts, avantages et caractéristiques de celle-ci apparaîtront plus clairement à la lecture de la description qui suit de modes de réalisation préférés donnés à titre non limitatif et à laquelle une planche de dessins est jointe sur laquelle :

  • la Figure 1 représente schématiquement en coupe un patin de frein pourvu d'un témoin d'usure conforme à l'invention ;
  • la Figure 2 représente schématiquement en perspective un mode de réalisation partiel d'un témoin conforme à l'invention.
The invention will be better understood and other objects, advantages and characteristics thereof will appear more clearly on reading the following description of preferred embodiments given without limitation and to which a sheet of drawings is attached on which :
  • Figure 1 shows schematically in section a brake shoe provided with a wear indicator according to the invention;
  • Figure 2 shows schematically in perspective a partial embodiment of a witness according to the invention.

En référence maintenant à la Figure 1, un patin de frein comprend généralement une garniture de friction 10 collée ou fixée sur un support 12. La garniture de friction 10 est susceptible de venir en contact d'un disque (non représenté) par sa paroi 14.Referring now to Figure 1, a brake shoe generally comprises a friction lining 10 glued or fixed to a support 12. The friction lining 10 is capable of coming into contact with a disc (not shown) by its wall 14 .

Dans l'exemple représenté, le témoin a son axe longitudinal 16 parallèle au plan de friction déterminée par la paroi 14.In the example shown, the indicator has its longitudinal axis 16 parallel to the plane of friction determined by the wall 14.

Le témoin comprend une gaine isolante 18 fermée par une douille isolante de forme cylindrique 20 fixée au support 12 par exemple au moyen d'un plot de centrage 22 pénétrant dans une ouverture prévue à cet effet dans le support 12. Dans la douille, une boucle est formée par un fil électriquement conducteur. Cette boucle est constituée par une première partie 24 sensiblement rectiligne disposée sensiblement parallèlement à l'axe longitudinal 16 du témoin, et par une deuxième partie 26 en contact au moins une fois avec sensiblement toutes les génératrices de la paroi intérieure de la douille. Ainsi cette deuxième partie 26 est ici enroulée en hélice autour de la première partie 24.The indicator comprises an insulating sheath 18 closed by an insulating sleeve of cylindrical shape 20 fixed to the support 12 for example by means of a centering stud 22 penetrating into an opening provided for this purpose in the support 12. In the sleeve, a loop is formed by an electrically conductive wire. This loop is constituted by a first substantially straight portion 24 disposed substantially parallel to the longitudinal axis 16 of the indicator, and by a second portion 26 in contact at least once with substantially all of the generatrices of the interior wall of the socket. Thus this second part 26 is here wound in a helix around the first part 24.

Les deux extrémités de la boucle sont reliées, de façon classique, soit à un câble bifilaire, soit à un câble coaxial 28 comme représenté.The two ends of the loop are connected, in a conventional manner, either to a two-wire cable, or to a coaxial cable 28 as shown.

Dans ce cas, la boucle de fil est constituée par l'âme du câble dont l'extrémité libre est connectée à la tresse du câble après avoir formé la boucle.In this case, the wire loop is formed by the core of the cable, the free end of which is connected to the braid of the cable after having formed the loop.

Pour assurer la rigidité du témoin notamment lorsque la douille 20 est en contact de friction avec le disque, l'espace 30 laissé libre par la boucle dans la douille 20 doit être rempli d'un matériau rigide.To ensure the rigidity of the indicator, in particular when the sleeve 20 is in friction contact with the disc, the space 30 left free by the loop in the sleeve 20 must be filled with a rigid material.

Selon un mode de réalisation, cet espace 30 peut être rempli par injection d'un matériau thermodurcissable, tel un élastomère ou une colle, à température élevée.According to one embodiment, this space 30 can be filled by injection of a thermosetting material, such as an elastomer or an adhesive, at high temperature.

Selon un autre mode de réalisation, on peut remplir cet espace au moyen d'une enclume préfabriquée de forme sensiblement complémentaire à la partie intérieure de la douille 20 comme représenté sous la référence 32 Figure 2.According to another embodiment, this space can be filled by means of a prefabricated anvil of shape substantially complementary to the interior part of the socket 20 as shown under the reference 32 Figure 2.

Cette enclume 32 affecte donc une forme sensiblement cylindrique aux dimensions sensiblement correspondantes à celles de la douille.This anvil 32 therefore has a substantially cylindrical shape with dimensions substantially corresponding to those of the socket.

Une rainure 34 est pratiquée longitudinalement dans l'enclume 32 pour accueillir la première partie 24 du fil dont la deuxième partie 26 est enroulée autour de l'enclume. L'ensemble boucle-enclume est alors introduite à force dans la douille 20. Une rainure hélicoïdale peut également être prévue sur l'enclume 32 pour accueillir la deuxième partie 26 du fil.A groove 34 is formed longitudinally in the anvil 32 to receive the first part 24 of the wire, the second part 26 of which is wound around the anvil. The loop-anvil assembly is then forced into the sleeve 20. A helical groove can also be provided on the anvil 32 to accommodate the second part 26 of the wire.

On obtient ainsi un témoin d'usure pouvant être disposé tant parallèlement que perpendiculairement au plan d'usure de la garniture de friction 10 et présentant dans tous les cas une réponse uniforme à l'usure.A wear indicator is thus obtained which can be arranged both parallel and perpendicular to the wear plane of the friction lining 10 and having in all cases a uniform response to wear.

Bien évidemment un tel témoin fonctionne de façon connue par rupture de la boucle.Obviously such a witness operates in a known manner by breaking the loop.

De nombreuses modifications pourront être apportées par l'homme du métier sans sortir du cadre de l'invention tel que défini par les revendications annexées.Many modifications can be made by those skilled in the art without departing from the scope of the invention as defined by the appended claims.

Par exemple, la douille précitée peut être constituée par un simple moule dans lequel est injecté le matériau thermodurcissable, le moule étant ôté ensuite. Il n'est donc pas nécessaire qu'elle soit physiquement présente dans le témoin tel qu'utilisé.For example, the aforementioned sleeve can be constituted by a simple mold into which the thermosetting material is injected, the mold then being removed. It does not therefore need to be physically present in the cookie as used.

Claims (7)

Témoin d'usure des garnitures de friction (10) d'un frein constitué essentiellement par une boucle en fil conducteur disposée dans une gaine (18) fermée par une douille isolante (20) de forme cylindrique et présentant un axe longitudinal (16) caractérisé en ce que la dite boucle est en contact au moins une fois avec sensiblement toutes les génératrices de la paroi intérieure de la dite douille (20).Wear indicator of the friction linings (10) of a brake consisting essentially of a loop of conductive wire disposed in a sheath (18) closed by an insulating sleeve (20) of cylindrical shape and having a longitudinal axis (16) characterized in that said loop is in contact at least once with substantially all of the generators of the inner wall of said socket (20). Témoin selon la revendication 1 caractérisé en ce que la dite boucle est constituée par une première partie (24) sensiblement rectiligne disposée parallèlement au dit axe longitudinal (16) et par une deuxième partie (26) enroulée en hélice autour de la première partie (24) et reliée à cette dernière.Indicator according to claim 1 characterized in that said loop consists of a first portion (24) substantially rectilinear arranged parallel to said longitudinal axis (16) and by a second portion (26) wound helically around the first portion (24 ) and linked to it. Témoin selon la revendication 1 ou 2 caractérisé en ce que le dit fil est constitué par l'âme centrale d'un câble coaxial à la tresse extérieure duquel elle est connectée après avoir formé la dite boucle.Indicator according to claim 1 or 2 characterized in that said wire consists of the central core of a coaxial cable to the outer braid from which it is connected after having formed said loop. Témoin selon l'une quelconque des revendications précédentes caractérisé en ce que l'espace laissé libre (30) par la boucle dans la dite douille (20) est rempli par injection d'un matériau thermodurcissable.Indicator according to any one of the preceding claims, characterized in that the space left free (30) by the loop in said socket (20) is filled by injection of a thermosetting material. Témoin selon la revendication 4 caractérisé en ce que le dit matériau est un élastomère injecté à température élevée.Witness according to claim 4 characterized in that the said material is an elastomer injected at high temperature. Témoin selon la revendication 2 caractérisé en ce que la dite partie rectiligne (24) est disposée dans une rainure longitudinale (34) pratiquée dans une enclume cylindrique (32) de dimensions sensiblement correspondantes à celles de la partie intérieure de la dite douille (20), la dite deuxième partie (26) étant enroulée en hélice autour de la dite enclume (32).Indicator according to claim 2 characterized in that said rectilinear part (24) is disposed in a longitudinal groove (34) formed in a cylindrical anvil (32) of dimensions substantially corresponding to those of the interior part of said socket (20) , said second part (26) being wound in a helix around said anvil (32). Patin de frein comportant une garniture de friction caractérisé en ce qu'il incorpore un témoin d'usure selon l'une quelconque des revendications précédentes.Brake shoe comprising a friction lining characterized in that it incorporates a wear indicator according to any one of the preceding claims.
EP91401014A 1990-05-31 1991-04-17 Brake lining wear indicator Expired - Lifetime EP0459843B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9006774 1990-05-31
FR9006774A FR2662772B1 (en) 1990-05-31 1990-05-31 WEAR INDICATOR FOR FRICTION TRIM.

Publications (2)

Publication Number Publication Date
EP0459843A1 true EP0459843A1 (en) 1991-12-04
EP0459843B1 EP0459843B1 (en) 1993-08-04

Family

ID=9397138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91401014A Expired - Lifetime EP0459843B1 (en) 1990-05-31 1991-04-17 Brake lining wear indicator

Country Status (13)

Country Link
US (1) US5168260A (en)
EP (1) EP0459843B1 (en)
JP (1) JP3343686B2 (en)
KR (1) KR910020339A (en)
BR (1) BR9101951A (en)
DE (1) DE69100221T2 (en)
DK (1) DK0459843T3 (en)
ES (1) ES2043445T3 (en)
FR (1) FR2662772B1 (en)
PL (1) PL164730B1 (en)
RU (1) RU1838688C (en)
TR (1) TR25346A (en)
YU (1) YU79191A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0599033A1 (en) * 1992-11-21 1994-06-01 ITT Automotive Europe GmbH Brake - lining with wear-indicating device

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403608C2 (en) * 1994-02-05 1997-03-27 Jungheinrich Ag Wear indicator for brakes in vehicles
US5559286A (en) * 1995-10-10 1996-09-24 Eaton Corporation Vehicle friction material condition measurement system
US5941370A (en) * 1996-09-10 1999-08-24 Nichols; Bruce W. Electrical contact wear
JPH1163054A (en) * 1997-06-12 1999-03-05 Sumitomo Wiring Syst Ltd Wear detecting probe for braking piece
US6250429B1 (en) 1998-10-09 2001-06-26 Meritor Heavy Vehicle Systems Llc Brake shoe assembly having a resistive brake lining wear sensor
US6450300B1 (en) 1998-10-21 2002-09-17 Meritor Heavy Vehicle Systems, Llc Packaging a temperature sensing brake lining wear indicator in a brake shoe assembly
US6250430B1 (en) 1998-11-24 2001-06-26 Meritor Heavy Vehicle Systems, Llc System and method for determining brake lining wear using a temperature detector and a brake actuation system
US6260665B1 (en) 1998-12-18 2001-07-17 Meritor Heavy Vehicle Systems, Llc System and method for determining brake lining wear based on cooling wave propagation time
US20080257657A1 (en) * 2007-04-17 2008-10-23 Bendix Spicer Foundation Brake Llc Wrong Wheel Warning Sensor
DE102010048988B4 (en) 2010-10-20 2020-06-18 Wabco Radbremsen Gmbh Disc brake with brake pad wear indicator and brake shoes for such a disc brake

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553642A (en) * 1968-07-19 1971-01-05 Gen Motors Corp Electrical brake lining wear indicator
DE2030961A1 (en) * 1969-07-23 1971-02-18 Honda Motor Co Ltd Device for indicating the wear and tear of friction belts
FR2170712A5 (en) * 1972-02-03 1973-09-14 Bendix Gmbh
FR2203466A5 (en) * 1972-10-14 1974-05-10 Toyota Motor Co Ltd
DE2519830A1 (en) * 1975-05-03 1976-11-11 Guenter Beer Brake shoe wear indicator system - has cable embedded in shoe or pad connected to optical or acoustic indicator
FR2497309A2 (en) * 1980-06-20 1982-07-02 Valeo Brake lining wear detector - has a sensor housed in internal groove between two half-shells in outer casing
DE8710053U1 (en) * 1987-07-22 1987-09-17 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Wear indicator on a brake pad

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8624060U1 (en) * 1986-09-09 1988-01-14 Textar Gmbh, 5090 Leverkusen Indicator device for the wear limit of the friction lining of a brake shoe
FR2618505B1 (en) * 1987-07-24 1990-12-28 Bendix France FRICTION MEMBER WEAR INDICATOR FOR A MOTOR VEHICLE BRAKE AND FRICTION MEMBER EQUIPPED WITH THIS INDICATOR
DE3864249D1 (en) * 1987-12-19 1991-09-19 Thyssen Industrie DEVICE FOR MONITORING A COMPONENT SUBJECT TO WEAR.
FR2648528B1 (en) * 1989-06-20 1991-09-20 Conseil Realisation Diffusion WEAR INDICATOR DEVICE FOR FRICTION LININGS
US5015990A (en) * 1990-03-01 1991-05-14 Dwayne Reede Brake replacement warning system and device useful therein

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553642A (en) * 1968-07-19 1971-01-05 Gen Motors Corp Electrical brake lining wear indicator
DE2030961A1 (en) * 1969-07-23 1971-02-18 Honda Motor Co Ltd Device for indicating the wear and tear of friction belts
FR2170712A5 (en) * 1972-02-03 1973-09-14 Bendix Gmbh
FR2203466A5 (en) * 1972-10-14 1974-05-10 Toyota Motor Co Ltd
DE2519830A1 (en) * 1975-05-03 1976-11-11 Guenter Beer Brake shoe wear indicator system - has cable embedded in shoe or pad connected to optical or acoustic indicator
FR2497309A2 (en) * 1980-06-20 1982-07-02 Valeo Brake lining wear detector - has a sensor housed in internal groove between two half-shells in outer casing
DE8710053U1 (en) * 1987-07-22 1987-09-17 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Wear indicator on a brake pad

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0599033A1 (en) * 1992-11-21 1994-06-01 ITT Automotive Europe GmbH Brake - lining with wear-indicating device

Also Published As

Publication number Publication date
TR25346A (en) 1993-03-01
ES2043445T3 (en) 1993-12-16
FR2662772A1 (en) 1991-12-06
FR2662772B1 (en) 1992-08-28
US5168260A (en) 1992-12-01
YU79191A (en) 1995-01-31
KR910020339A (en) 1991-12-19
EP0459843B1 (en) 1993-08-04
RU1838688C (en) 1993-08-30
BR9101951A (en) 1991-12-24
DK0459843T3 (en) 1993-11-22
JPH04231737A (en) 1992-08-20
DE69100221T2 (en) 1993-11-11
PL164730B1 (en) 1994-10-31
DE69100221D1 (en) 1993-09-09
PL290446A1 (en) 1992-03-23
JP3343686B2 (en) 2002-11-11

Similar Documents

Publication Publication Date Title
EP0459843B1 (en) Brake lining wear indicator
FR2612343A1 (en) CONNECTOR FOR A COAXIAL LINE WITH EXTERNAL CONDUCTOR ONDULE OR FOR A WAVEGUIDE GUIDE WITH CORRUGATED TUBE
EP0521751A1 (en) Device for tapping screened cables
FR2638290A1 (en) COAXIAL CABLE FITTING
FR2793955A1 (en) DEVICE FOR ELECTRICALLY CONNECTING A COAXIAL LINE TO A PRINTED CIRCUIT BOARD
EP0464767A1 (en) Device composed of two elements jointed on a hinge and electrically connected
EP1203431B1 (en) Device for axially retaining a cylindrical element and more particularly a cable
EP2104963B1 (en) Watertight electric connection device including two conjugated connection members
FR2533768A1 (en) ELECTRICAL CONNECTOR
EP1039587A1 (en) Connector part meant for mounting on an electrical cable having a helically corrugated outer conductor and mounting method thereof
WO1997034356A1 (en) Compact electric actuator
FR2613541A1 (en) PROCESS FOR PRODUCING LEAD TERMINALS OR THE LIKE ON ALUMINUM CABLES
FR2497477A1 (en) HEATING ELECTRIC INJECTION NOZZLE FOR SYNTHETIC MATERIAL
FR2770078A1 (en) TUBULAR ELECTRIC HEATING ELEMENT FOR HEATING A NOZZLE BODY
FR2536827A1 (en) FLEXIBLE PIPE FOR A BRAKE SYSTEM, IN PARTICULAR FOR A MOTOR VEHICLE
FR2557228A1 (en) CABLE MECHANICAL CONTROL WITH AUTOMATIC ADJUSTMENT DEVICE AND ELECTRIC ACTUATION SENSOR
EP0045038B1 (en) Assembly for fixation of the end of an electrical cable having an annularly corrugated outer conductor within the body of a connector
FR2566495A1 (en) Indicator device for disc brake friction pads for motor vehicles.
FR2777711A1 (en) CONNECTING CAP FOR SPARK PLUG AND METHOD FOR THE PRODUCTION THEREOF
EP0669481B1 (en) System for detecting wear of friction pad of disk or drum brake
EP0558406B1 (en) Brake lining wear indicator
EP0874431B1 (en) Electrical right angle plug
FR2648528A1 (en) Wear indicator device for brake linings
FR2818792A3 (en) Electrical switch for brake lights includes self-adjusting mechanism with joint having elastically deformable teeth
FR2573585A1 (en) Brush holder for rotating electrical machine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE DK ES FR GB IT NL

17P Request for examination filed

Effective date: 19911111

17Q First examination report despatched

Effective date: 19930118

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE DK ES FR GB IT NL

REF Corresponds to:

Ref document number: 69100221

Country of ref document: DE

Date of ref document: 19930909

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930902

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2043445

Country of ref document: ES

Kind code of ref document: T3

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: ALLIEDSIGNAL EUROPE SERVICES TECHNIQUES

NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

Owner name: ALLIEDSIGNAL EUROPE SERVICES TECHNIQUES TE DRANCY,

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20100324

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20100426

Year of fee payment: 20

Ref country code: ES

Payment date: 20100423

Year of fee payment: 20

Ref country code: FR

Payment date: 20100506

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20100427

Year of fee payment: 20

Ref country code: NL

Payment date: 20100421

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20100423

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20100624

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69100221

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: V4

Effective date: 20110417

BE20 Be: patent expired

Owner name: S.A. *BENDIX EUROPE SERVICES TECHNIQUES

Effective date: 20110417

REG Reference to a national code

Ref country code: DK

Ref legal event code: EUP

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20110416

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20110417

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20110416

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20110417

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20130725

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20110418